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Network Security Snort-Signatures
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Re: [Snort-sigs] Rebuilding snort server and sensors

Subject: Re: [Snort-sigs] Rebuilding snort server and sensors
Date: Tue, 25 Oct 2005 15:50:06 -0400

RedHat is terrible for this, they ship all utils you may need for installing another package.


Debian is pretty good though, if you do a minimal install it's pretty much minimal with a shell and apt-get tool to install what's needed.

I guess gentoo would be a good choice too if you want to go with sources and all that waiting for compilation. :)




Thompson, Jimi wrote:
Item #1 – RH9 is obsolete. You may not be able to harden the OS sufficiently to do what you need to do safely.

Item #2 – RH, unless you go to a lot of extra trouble, tends to install a lot of things that really aren’t ideal on any server, much less one being used a security appliance.

Item #3 – The BSD’s do a much better of job of only installing what’s necessary to bring the box up (i.e. kernel and necessary bits of the OS) .



When I’m setting up a box to be used as a security appliance, I make sure that I have the lasted versions of everything, unless they have some known issue that makes them undesirable. I also make sure that anything I can build from source, I do so since I prefer to do custom configs instead of pre-installed packages. I also don’t like having to either go in and uninstall a bunch of crap or spend a lot of valuable time configuring the OS installer in the first place. When I first bring a box up, the ONLY thing I want is a blinking command prompt. I really don’t care about a GUI, games, web server, etc. If I want them, I will install them. The FIRST rule of security is that if it’s not installed, it’s not a problem.



Just my 2 cents….



Thanks,



Ms. Jimi Thompson

Manager of Web Operations

SMU Cox School of Business



If computers get too powerful, we can organize them into a committee -- that will do them in. -- Bradley's Bromide

------------------------------------------------------------------------

*From:* snort-sigs-admin@lists.sourceforge.net [mailto:snort-sigs-admin@lists.sourceforge.net] *On Behalf Of *Murali Raju
*Sent:* Monday, October 24, 2005 7:05 AM
*To:* Michael Mulholland
*Cc:* Snort-sigs@lists.sourceforge.net
*Subject:* Re: [Snort-sigs] Rebuilding snort server and sensors




1. Linux - if you want to use the libpcap that employs a shared mem ring buffer (http://public.lanl.gov/cpw/)..
2. FreeBSD - with device_polling configured can help speed up packet capturing in addition to speed and stability...
3. OpenBSD - lean with many security features, including the new heap protection and other defense against ICMP based attacks available on release 3.8....the de facto for security appliances in my opinon.


I use and prefer the BSDs over Linux any day...

Cheers,

_Raju

On 10/24/05, *Michael Mulholland* <Michael.Mulholland@dfpni.gov.uk <mailto:Michael.Mulholland@dfpni.gov.uk>> wrote:





folks

i'm intent on rebuilding our existing snort setup from RH9 and was
wondering what platform you'd recommend

thanks

michael mulholland



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